Cutting insert



FIG. 1 is a top perspective view of the cutting insert showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top perspective view of a second embodiment of the cutting insert showing our new design;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a side view thereof. 

The ornamental design for a cutting insert, as shown and described. 